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电线弹性:使用电路理论和InVEST绘制东湖盆地的动态生态连接
Yuelong Su1,2,3, Zhengkun Yang3,4, Wenhui Chen3,4
1College of Land Management, Huazhong Agricultural University, Wuhan, China.
Environmental monitoring and assessment
|December 18, 2025
概括
东湖盆地 (DLB) 的生态安全得到改善,生态系统服务恢复,生态源区扩大. 一个新的框架将生态系统服务和连接性联系起来,以实现可持续的流域管理.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 保护生物学 保护生物学
背景情况:
- 东湖盆地 (DLB) 对长江生态安全至关重要,但面临着土地利用变化和生态退化带来的挑战.
- 现有的研究往往忽视了像DLB这样的复合盆地,在这些盆地里,生态,农业和城市功能之间有动态的相互作用.
- 在这样复杂的地区,对生态系统服务和生态安全模式的综合评估存在知识差距.
研究的目的:
- 评估生态系统服务功能,并为东湖盆地 (DLB) 构建生态安全模式.
- 使用电路理论识别生态源区,紧点,走廊和障碍物.
- 解决一个复合的生态-农业-城市流域的多层次土地使用冲突.
主要方法:
- 利用InVEST模型来评估生态系统服务功能.
- 采用电路理论来识别关键的生态元素 (源区,走廊,障碍物,紧点).
- 根据连接性分析和生态系统服务评估,开发了一个生态安全模式框架.
主要成果:
- 在DLB的土地使用变化显示在2000年至2020年之间出现了波动.
- 节水和土壤保留最初下降,然后恢复;碳捕获集中在湖区;城市扩张导致局部息地退化.
- 显著恢复的生态源区,具有定义的生态安全模式,包括核心,区域,走廊,轴和节点.
结论:
- 该研究成功地将生态系统服务评估与基于电路理论的连接分析联系起来,推进生态安全模式 (ESP) 研究.
- 证明了生态源区的显著恢复,归因于国家恢复政策.
- 提供了一个新的,可转移的框架,用于将生态系统服务动态与大型河流盆地的ESP建设相结合.
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